Bug 1690326 - Map Windows error `ERROR_DISK_CORRUPT` to `NS_ERROR_FILE_FS_CORRUPTED`. r=xpcom-reviewers,dom-storage-reviewers,jstutte,nika

Differential Revision: https://phabricator.services.mozilla.com/D138162

xpcom/io/nsLocalFileWin.cpp

@@ -296,6 +296,8 @@ static nsresult ConvertWinError(DWORD aWinErr) {
       rv = NS_ERROR_FILE_NOT_DIRECTORY;
       break;
     case ERROR_FILE_CORRUPT:
+      [[fallthrough]];  // to NS_ERROR_FILE_FS_CORRUPTED
+    case ERROR_DISK_CORRUPT:
       rv = NS_ERROR_FILE_FS_CORRUPTED;
       break;
     case ERROR_DEVICE_HARDWARE_ERROR: